raise error when no store_class available
raise error when no store_class available

ymero/pulsar,nooperpudd/pulsar,nooperpudd/pulsar,tempbottle/pulsar,dejlek/pulsar,dejlek/pulsar,inirudebwoy/pulsar,tempbottle/pulsar,inirudebwoy/pulsar,ymero/pulsar,tazo90/pulsar,ymero/pulsar,dejlek/pulsar,tazo90/pulsar,quantmind/pulsar,inirudebwoy/pulsar,quantmind/pulsar,ymero/pulsar,nooperpudd/pulsar,tempbottle/pulsar,tempbottle/pulsar,nooperpudd/pulsar,quantmind/pulsar,quantmind/pulsar,tazo90/pulsar,quantmind/pulsar,tazo90/pulsar,inirudebwoy/pulsar,ymero/pulsar,tazo90/pulsar,tempbottle/pulsar,dejlek/pulsar,dejlek/pulsar,inirudebwoy/pulsar,nooperpudd/pulsar